Fig. 1 Long pipe type buoy
Fig. 2 Wave spectra [left : IRW01, right : IRW02]
Fig. 3 Experimental set-up & measurement
Fig. 4 Simulation model [left : side view, right : bird view]
Fig. 5 Snapshots of the buoy structure under HAT and LAT conditions (IRW03)
Fig. 6 Time series of pitch motion and anchor force of the buoy (IRW03)
Fig. 7 Comparisons of pitch motion statistics of the buoy
Fig. 8 Comparisons of statistics of the anchor force
Fig. 9 Time series of pitch motion of the buoy in HAT condition
Fig. 10 Comparisons of motion statistics in HAT (Left : Wave period effects, right : current effects)
Fig. 11 Calculation results on minimum pitch angle according to the change of wave period and current velocity in HAT (Left : Wave period effects, right : current effects)
Fig. 12 Time series of anchor force of the buoy in HAT condition
Fig. 13 Comparisons of maximum anchor force (HAT)
Fig. 14 Snapshots on submergence of a equipment
Fig. 15 Comparisons of number of submergence per hour (left : HAT, right : LAT)
Fig. 16 Effects of the drag coefficient on the number of submergence per hour in HAT conditions.
Fig. 17 Maximum von mises stress along the pipe length
Fig. 18 Relation between minimum pitch angle and maximum von mises stress
Table 1 Main dimension of the upper structure and the floater
Table 2 Main dimension of the long pipe type buoy
Table 3 Environmental conditions
References
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